The extensive marketing power is the ability of obtaining the consumers' approval during the course of market competition. This kind of approval may directly bring the sales volume, the profit, or just cause the consumer's interest to the enterprise or the product, the brand, but certainly will be able to build the good foundation for the enterprise's future. This paper puts forward a new method to evaluate this important power, so as to make a relatively scientific way to help raising enterprise's influencing power in market.